Quote:
Originally Posted by mysweetx5
Oh nooo my friend! warming any car for about: 2minutes and just take off is totally NOT acceptable!
....For this reason, it's fully recommended specially for this type engine system to let it run atleast around: 15 to 30 minutes before you can take off.
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Idling a vehicle to warm it up is not at all good for it. Suggesting to let it idle for 15-30 minutes is very bad advice. Look at your owner's manual, and see what it says. This is not specific to BMW, it applies to all modern vehicles.
There is much more engine wear during the warm-up cycle than when the engine is hot. By idling it that long, you are simply extending the warm up cycle and causing that much more wear. The least wear is with a quicker warm-up cycle, as the engine doesn't heat up unless it has load on it. When you start the engine, you should wait until you have oil pressure (less than 30 seconds) and then drive off. Drive gently, and keep the rpm reasonable and use a light throttle application until the engine is warm. This presumes that you can see out the windshield; if it is frosted up and you need to wait for heat, that is safer. It just causes more engine wear.
If your vehicle feels heavy, it is also due to the steering, suspension, transmission, etc. None of those systems (ie everything other than the engine) are warmed by idling the vehicle.
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